Also, once you find a good source the rocks are not THAT hard to obtain.But it is hard to get some charcoal for now. They say it's really rare. I would love to burn some wood into it (like in minecraft) if it doesn't brake balance.

No, we've closed the alpha test so there are no servers running the game now.We've got a lot of players feedback so now we focused on improving the game and implementing new features. Please wait for the second test (perhaps in a 2 months)!